Solve for x. 2/5 (x - 1/2) = -2 3/4

What is the value of x in the this question ?

Which of the following best describes the graph below? + + 2 + 3 + 4 1 o a. it is not a function. o b. it is a one-to-one function. o c. it is a many-to-one function. o d. it is a function, but it is not one-to-one.

Solve 4 ln x=2ln25 a) x=5 b) x=25 c) x=625